Mechanik Megacomplex

Mechanik Megacomplex enters the battlefield
tapped unless you control a Mechanik
Manufactory
{t} Add {c}{r} to your mana pool
{t}: Sacrifice a Mechanik creature, add {c}{r} {c}/{r} to your mana pool (1R 1C 1R/C)
Sacrifice two Mechanik creatures, {ut} Mechanik Megacomplex